Carrier profile · USDOT 261736 · MC-171163 · Updated Jun 13, 2026

MK Express Company LLC

125 power unitsEAST BUTLER, PA50/100
CARRIER INACTIVEMC-171163 INACTIVEHAZMAT

Identity & Federal

The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.

Location

Mailing address
PO BOX 509, EAST BUTLER, PA, 16029
Operation
Interstate· Hazmat

Contact

Fax
(724) 283-0053
Web domain
marmonkeystone.com

Registration

Officer
Dewitt Weldon
USDOT / docket
261736 · MC-171163
First registered
Jul 8, 1985
Last MCS-150
Jan 16, 2017 · 2,263,000 mi (2016)
FMCSA safety rating
Not rated
D-U-N-S

Fleet (self-reported · MCS-150)

125Power units
125Drivers
125CDL drivers
2,263,000Annual mileage

MCS-150 filing history· biennial-update cadence

Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.